Everyday tasks,
made simple.
No installation. No account.
Useful tools, all in one place.
Simplify cumbersome tasks.
Background remover↗
Erase photo background with AI and save as transparent PNG.
TextCharacter counter↗
Check the number of characters including and excluding spaces and UTF-8 bytes at once.
CalculatorsPercentage calculator↗
Easily calculate ratios, discount rates, and increase/decrease rates.
CalculatorsDate calculator↗
Check the number of days between two dates and D-Day.
CalculatorsUnit converter↗
Convert length, weight, and temperature to familiar units.
DeveloperJSON formatter↗
Sort your JSON nicely and check its grammar.
DeveloperBase64 converter↗
Encode and decode text including Hangul.
DeveloperURL encoder↗
Safely convert the characters in the address.
SecurityPassword generator↗
Create a random string with any length and character combination.
DeveloperUUID generator↗
Generate as many version 4 UUIDs as needed.
Images & designColor converter↗
Convert HEX colors to RGB and HSL.
Images & designImage format converter↗
Convert images between PNG, JPG and WebP.
Images & designImage resizer↗
Reduce the photo size and save it as WebP, JPEG, or PNG.
TextDuplicate line remover↗
Clean up overlapping lines and make your list neater.
There is no search tool.
Enter a different search term or check out the full tool.
Open and get started
Start without installation or registration.
Processed on your device
Tool input is not sent to the server.
Ready wherever you are
Use it comfortably on PC and mobile.
Choosing the right tool for the job
Check the length of the text by distinguishing between the number of characters and bytes, and adjust the size of the photo after removing the background. For development conversions, you must choose a tool that matches your input format to preserve the original data. You can check the order of use and precautions in the guide for each field.
Tool Utilization Blog
See all blogs →How to Remove Image Backgrounds and Improve Edges
How to save a photo as a transparent PNG with the free image background removal tool. Take a look at the differences between precise and fast modes, residual background and border correction, and settings to check when hair is erased.
Read the article ↗▧ ImageReduce Image File Size: WebP vs PNG vs JPEG
Describes the order of adjusting pixel size, storage format, and quality when reducing image size. Compare the transparency and compression differences between WebP·PNG·JPEG and Toolzip's actual conversion limitations.
Read the article ↗% calculationPercentage and Discount Calculations: Worked Examples
The formula for calculating the percentage of the total value, the price after discount, and the actual discount rate is explained as an example. Check out the double discount of 20% and then 10%, and the difference in increase/decrease rate and percentage points.
Read the article ↗{ } developmentJSON Formatting, Base64 and URL Encoding: A Practical Guide
Distinguishes the purposes of JSON grammar checking and cleaning, UTF-8 Base64 encoding/decoding, and URL parameter encoding. We've compiled examples you can run yourself, as well as big integers, double encoding, and security precautions.
Read the article ↗⇆ ImageConvert image formats: PNG, JPG and WebP explained
Learn how to convert PNG to JPG and JPG to PNG or WebP. Explains the difference between extension renaming and actual image conversion, browser encoding principles, and limitations of transparent backgrounds and metadata.
Read the article ↗